.chouti{
    width: 100%;
    height: 100%;
    position: fixed;
    right: 0;
    top: 0;
    transition: 1s;
    z-index: 100;
    overflow: hidden;
}
.nochouti{
    height: 100%;
    position: fixed;
    right: -100%;
    top: 0;
    z-index: 100;
    overflow: hidden;
    transition: 1s;
}
